September 07, 2014, 8:17AM

At closest approach, the 60-foot rock will pass a safe 25,000 miles over New Zealand. That's about one-tenth the distance between here and the moon. But it's beyond the orbit of our highest communication and weather satellites. Full story »

February 15, 2013, 1:35PM

A 150-foot asteroid came withing 17,150 miles of the Earth on Friday, the closest known flyby of a rock of its size. Scientists say the flight of the asteroid was "completely unrelated" to a meteor that exploded above Russia just hours before. Full story »